______,Coarsely mash 3/4 cup black beans. In a bowl, combine the cornstarch and water until smooth; stir in the mashed beans, potato flakes, oats, flour, milk powder, egg, salt and pepper. Stir in vegetable mixture and remaining black beans. Shape into six 5/8-in.-thick patties.,In a,, cook patties in oil for 4-5 minutes on each side or until lightly browned. Serve on rolls with lettuce and salsa.